Gold Mountain Software
Quality Mac apps since 2005.
Phoenix Slides
A fast full-screen slideshow program/image browser. Version 1.4.7 released 2021 December 15.
LargeType2
A service to show your text HUGE in a floating window on your screen. Version 1.2 released 2021 November 21.
Input Method Plugins
Here are some input method plugins for macOS. According to the latest instructions from Apple (Create and use your own input source on Mac), all you need to do is download the .inputplugin file and then double-click it. (You might need to right-click and choose "Open".)